The article “Medicine Cabinet is a Big Killer”

(The Salt Lake Tribune, August 1, 2007) looked at the number of prescription-drug-overdose deaths in Utah over the period from 1991 to 2006. Construct a timeseries plot for these data and describe the trend over time. Has the number of overdose deaths increased at a fairly steady rate?

Year Number of Overdose Deaths 1991 32 1992 52 1993 73 1994 61 1995 68 1996 64 1997 85 1998 89 1999 88 2000 109 2001 153 2002 201 2003 237 2004 232 2005 308 2006 307