Canadian Dollar/U.S. Dollar. The Canadian dollar's value against the U.S. dollar has seen some significant changes over recent history. Using the graph of the C$/US$ exchange rate for the 35-year period between 1980 and January 2015 to estimate the percentage change in the Canadian dollar's value (affectionately known as the "loonie") versus the dollar for the following periods. a. January 1980-January 1986 b. January 1986-October 1991 c. October 1991-December 2001 d. December 2001-April 2011 e. April 2011-January 2015 a. The percentage change in the value of the loonie for the period of January 1980 to January 1986 is %. (Round to two decimal places. A negative change must be entered with a negative sign.) 11 80 1.16 Mw31 Ja 82 Sep 2 May83 Sep 84 M5 Ju 88 Sp 88 M87 15 16 17 1.41 Canadian dollars (CAD) = 1.00 U.S. dollar (USD) SO-88 May 89 Jan 90 Sep 90 My91 26- Sep 92 1.13 DAW -94 Sep 9 Max 95 Jan 96 Sp- 96 des Ja98 Sep 98 May 00 00 01 1.60 Sep 02 200 - DO n J-04 04 May 05 30 1.26 January 1980-January 2015 (monthly average) 50 01-07 Sep 10 960 Jan 12 Sep-12 May 13 Jan 14 14 } C 1.25