| Year | EU-28 | World |
|---|---|---|
| 1986 | 100 | 100 |
| 1989 | 97.8 | 127.65 |
| 1990 | 65.88 | 75.09 |
| 1991 | 58.94 | 68.67 |
| 1992 | 45.82 | 66.03 |
| 1993 | 37.82 | 58.9 |
| 1994 | 17.96 | 37.77 |
| 1995 | 6.27 | 31.27 |
| 1996 | 6.84 | 22.5 |
| 1997 | 5.63 | 20.74 |
| 1998 | 5.85 | 25.97 |
| 1999 | 4.99 | 22.1 |
| 2000 | 3.0 | 20.21 |
| 2001 | 0.48 | 15.97 |
| 2002 | -1.32 | 12.5 |
| 2003 | 1.8 | 13.1 |
| 2004 | -1.29 | 9.71 |
| 2005 | -0.61 | 7.12 |
| 2006 | -0.16 | 6.64 |
| 2007 | -1.34 | 4.73 |
| 2008 | -2.52 | 3.36 |
| 2009 | -0.37 | 3.78 |
| 2010 | -0.43 | 3.35 |
| 2011 | -0.61 | 3.08 |
| 2012 | 0.22 | 3.37 |
| 2013 | -0.8 | 2.24 |
| 2014 | -0.38 | 2.36 |
| 2015 | -0.8 | 1.77 |
| 2016 | -1.01 | 1.66 |
| 2017 | -0.96 | 1.55 |
| 2018 | -0.26 | 0.33 |