Year annual % 1990 15.1715522321592 1991 8.36534209630861 1992 3.44928953098689 1993 1.83184754250638 1994 2.60337704602247 1995 2.99756956463735 1996 2.47929131349356 1997 2.75410052366642 1998 4.71460493246096 1999 3.4988933721487 2000 4.02479334126352 2001 8.70374978605457 2002 5.87213784679803 2003 0.491863235904162 2004 2.6750133342794 2005 3.06586110573276 2006 8.61668451093136 2007 4.33314563453666 2008 12.1352814872696 2009 10.8047085143171 2010 6.36885446534224 2011 3.09666958205543 2012 3.44088030034162 2013 2.12454183861854 2014 4.14165194460018 2015 6.0545203480569 2016 2.260860866933 2017 0.936992856331969 2018 2.63161215080015 2019 4.4567758015221 2020 4.01588811980919 2021 6.36570966381409 2022 8.85291252628349 2023 5.90079405717472