Year	annual %
1995	158.41369506114142
1996	52.42690153725614
1997	111.35961232182565
1998	276.0042141698817
1999	132.65205428620712
2000	219.26778714637427
2001	58.78201098468152
2002	49.02853250308484
2003	54.345361911765046
2004	49.981171992810154
2005	42.20927767407659
2006	39.260504505711666
2007	39.987463516371754
2008	26.340807109927184
2009	23.080486580769225
2010	31.891975360825995
2011	121.239445161301
2012	45.05444891284677
2013	19.847648753771445
2014	23.866698116571687
2015	36.54154287507881
2016	3.7960800991821584
2017	17.426211895093783
2018	8.493068022199504
2019	12.205482541890177
2020	4.7226943280456
2021	6.989645419655338