Created with Raphaël 2.1.2
2 337
-6 000
-4 000
-2 000
2 000
4 000
6 000
1990
1991
1992
1993
1994
1995
1996
1997
-858
1998
1999
2000
-225
2001
2002
2003
2004
-121
2005
2006
2007
2008
2009
2010
2011
2012
2013
-124
2014
2015