The data below is exchange rate data pulled from the Federal Reserve. It shows the historial exchange rates for the Canadian dollar The rates are in currency units per U.S. dollar. Based on the graph, is the U.S. Dollar appreciating or depreciating against the Canadian dollar? What is the possible reason for this?

1-pr-19 2-Apr-19 3-Apr-19 4-Apr-19 5-Apr-19 8-Apr-19 1.3344 1.3357 Chart Title 1.3315 1.3357 1.36 1.3387 1.35 1.3316 1.34 1.332 9-Apr-19 10-Apr-19 11-Apr-19 12-pr-19 15-Apr-19 16-Apr-19 17-Apr-19 18-pr-19 1.33 1.3322 1.32 1.3379 1.31 1.3332 1.3372 1.3 1.335 1.29 1.3345 1.28 1.3372 1.27 19-Apr-19 22-Apr-19 23-pr-19 24-Apr-19 1.3386 1-Jul-19 1-pr-19 1-May-19 1-Jun-19 1-Aug-19 1-Sep-19 1.3352 1.342 1.3465 25-pr-19 26-Apr-19 29-Apr-19 30-Apr-19 1-May-19 2-May-19 1.3494 1.3459 1.3448 1.3427 1.3417 1.3468 |3-ay-19 6-May-19 7-ay-19 8-May-19 9-ay-19 10-May-19 13-May-19 14-y-19 |15-My-19 1.3425 1.3446 1.3472 1.3458 1.349 1.3428 1.3467 1.3466 1.3432 16-y-19 17-ay-19 20-ay-19 21-ay-19 22-ay-19 1.3433 1.3477 1.3432 1.3425 1.3417 23-May-19 24-My-19 28-May-19 29-y-19 30-ay-19 31-a-19 1.3471 1.3454 1.3473 1.3533 1.3508 1.3523 3-Jun-19 1.3471 4-Jun-19 1.3417 5-Jun-19 1.3409 6-Jun-19 1.3374 7-Jun-19 1.3287 10-Jun-19 1.3259 11-Jun-19 1.3291 12-Jun-19 1.3298 13-Jun-19 1.333 14-Jun-19 1.3382 17-Jun-19 1.3398 18-Jun-19 1.3396 19-Jun-19 1.3362 1.3208 20-Jun-19 21-Jun-19 1.3217 24-Jun-19 1.3196 25-Jun-19 1.3164 26-Jun-19 1.3109 27-Jun-19 1.3115 28-Jun-19 1.3091 1-Jul-19 1.3124 2-Jul-19 1.3117 1.307 3-Jul-19 5-Jul-19 1.3108 8-Jul-19 1.3088 9-Jul-19 1.3123 10-Jul-19 1.3099 11-Jul-19 1.3071 12-Jul-19 15-Jul-19 1.3042 1.3036 16-Jul-19 1.3043 1.3041 17-Jul-19 1.309 18-Jul-19 19-Jul-19 1.3081 22-Jul-19 1.3115 23-Jul-19 1.3138 24-Jul-19 1.3134 1.3145 25-Jul-19 26-Jul-19 1.3187 29-Jul-19 1.3151 1.3169 30-Jul-19 31-Jul-19 1.3143 1-Aug-19 1.3202 2-Aug-19 5-Aug-19 1.3217 1.3196 1.3252 1.333 6-Aug-19 7-Aug-19 8-Aug-19 1.3241 1.3226 9-Aug-19 12-Aug-19 13-Aug-19 14-Aug-19 1.3232 1.3221 1.332 15-Aug-19 16-Aug-19 19-Aug-19 1.3322 1.328 1.3306 20-Aug-19 21-Aug-19 22-Aug-19 1.3331 1.3275 1.3295 23-Aug-19 26-Aug-19 27-Aug-19 28-Aug-19 1.3319 1.3282 1.3274 1.3299 29-Aug-19 30-Aug-19 3-Sep-19 4-Sep-19 5-Sep-19 6-Sep-19 9-Sep-19 10-Sep-19 1.3299 1.329 1.3332 1.3248 1.3238 1.317 1.314 1.3141 1.3199 11-Sep-19 12-Sep-19 13-Sep-19 16-Sep-19 17-Sep-19 18-Sep-19 19-Sep-19 20-Sep-19 1.3209 1.3268 1.324 1.3249 1.3283 1.3258 1.3268 23-Sep-19 24-Sep-19 1.3271 1.3253 25-Sep-19 26-Sep-19 27-Sep-19 1.3279 1.3271 1.325 1-pr-19 2-Apr-19 3-Apr-19 4-Apr-19 5-Apr-19 8-Apr-19 1.3344 1.3357 Chart Title 1.3315 1.3357 1.36 1.3387 1.35 1.3316 1.34 1.332 9-Apr-19 10-Apr-19 11-Apr-19 12-pr-19 15-Apr-19 16-Apr-19 17-Apr-19 18-pr-19 1.33 1.3322 1.32 1.3379 1.31 1.3332 1.3372 1.3 1.335 1.29 1.3345 1.28 1.3372 1.27 19-Apr-19 22-Apr-19 23-pr-19 24-Apr-19 1.3386 1-Jul-19 1-pr-19 1-May-19 1-Jun-19 1-Aug-19 1-Sep-19 1.3352 1.342 1.3465 25-pr-19 26-Apr-19 29-Apr-19 30-Apr-19 1-May-19 2-May-19 1.3494 1.3459 1.3448 1.3427 1.3417 1.3468 |3-ay-19 6-May-19 7-ay-19 8-May-19 9-ay-19 10-May-19 13-May-19 14-y-19 |15-My-19 1.3425 1.3446 1.3472 1.3458 1.349 1.3428 1.3467 1.3466 1.3432 16-y-19 17-ay-19 20-ay-19 21-ay-19 22-ay-19 1.3433 1.3477 1.3432 1.3425 1.3417 23-May-19 24-My-19 28-May-19 29-y-19 30-ay-19 31-a-19 1.3471 1.3454 1.3473 1.3533 1.3508 1.3523 3-Jun-19 1.3471 4-Jun-19 1.3417 5-Jun-19 1.3409 6-Jun-19 1.3374 7-Jun-19 1.3287 10-Jun-19 1.3259 11-Jun-19 1.3291 12-Jun-19 1.3298 13-Jun-19 1.333 14-Jun-19 1.3382 17-Jun-19 1.3398 18-Jun-19 1.3396 19-Jun-19 1.3362 1.3208 20-Jun-19 21-Jun-19 1.3217 24-Jun-19 1.3196 25-Jun-19 1.3164 26-Jun-19 1.3109 27-Jun-19 1.3115 28-Jun-19 1.3091 1-Jul-19 1.3124 2-Jul-19 1.3117 1.307 3-Jul-19 5-Jul-19 1.3108 8-Jul-19 1.3088 9-Jul-19 1.3123 10-Jul-19 1.3099 11-Jul-19 1.3071 12-Jul-19 15-Jul-19 1.3042 1.3036 16-Jul-19 1.3043 1.3041 17-Jul-19 1.309 18-Jul-19 19-Jul-19 1.3081 22-Jul-19 1.3115 23-Jul-19 1.3138 24-Jul-19 1.3134 1.3145 25-Jul-19 26-Jul-19 1.3187 29-Jul-19 1.3151 1.3169 30-Jul-19 31-Jul-19 1.3143 1-Aug-19 1.3202 2-Aug-19 5-Aug-19 1.3217 1.3196 1.3252 1.333 6-Aug-19 7-Aug-19 8-Aug-19 1.3241 1.3226 9-Aug-19 12-Aug-19 13-Aug-19 14-Aug-19 1.3232 1.3221 1.332 15-Aug-19 16-Aug-19 19-Aug-19 1.3322 1.328 1.3306 20-Aug-19 21-Aug-19 22-Aug-19 1.3331 1.3275 1.3295 23-Aug-19 26-Aug-19 27-Aug-19 28-Aug-19 1.3319 1.3282 1.3274 1.3299 29-Aug-19 30-Aug-19 3-Sep-19 4-Sep-19 5-Sep-19 6-Sep-19 9-Sep-19 10-Sep-19 1.3299 1.329 1.3332 1.3248 1.3238 1.317 1.314 1.3141 1.3199 11-Sep-19 12-Sep-19 13-Sep-19 16-Sep-19 17-Sep-19 18-Sep-19 19-Sep-19 20-Sep-19 1.3209 1.3268 1.324 1.3249 1.3283 1.3258 1.3268 23-Sep-19 24-Sep-19 1.3271 1.3253 25-Sep-19 26-Sep-19 27-Sep-19 1.3279 1.3271 1.325