| Year | EEA-33 | REGION | PERCENTAGE | World |
|---|---|---|---|---|
| 1986 | 100.0 | 100 | ||
| 1989 | 96.57 | 127.65 | ||
| 1990 | 65.74 | 75.09 | ||
| 1991 | 58.61 | 68.67 | ||
| 1992 | 45.82 | 66.03 | ||
| 1993 | 38.08 | 58.9 | ||
| 1994 | 18.31 | 37.76 | ||
| 1995 | 7.23 | 31.27 | ||
| 1996 | 7.76 | 22.5 | ||
| 1997 | 6.52 | 20.73 | ||
| 1998 | 6.82 | 25.97 | ||
| 1999 | 5.38 | 22.09 | ||
| 2000 | 3.27 | 20.21 | ||
| 2001 | 0.74 | 15.97 | ||
| 2002 | -0.96 | 12.5 | ||
| 2003 | 1.97 | 13.1 | ||
| 2004 | -1.05 | 9.71 | ||
| 2005 | -0.4 | 7.11 | ||
| 2006 | 0.01 | 6.64 | ||
| 2007 | -1.08 | 4.72 | ||
| 2008 | -2.24 | 3.34 | ||
| 2009 | -0.21 | 3.75 | ||
| 2010 | -0.3 | 3.36 | ||
| 2011 | -0.48 | 3.09 | ||
| 2012 | 0.29 | 3.39 | ||
| 2013 | -0.73 | 2.24 | ||
| 2014 | -0.34 | 2.36 |