Trends koude- en warmteminnende soorten
| Koudeminnende soorten | Warmteminnende soorten | |
|---|---|---|
| 1990=100 | ||
| 1990 | 100 | 100 |
| 1991 | 84 | 93 |
| 1992 | 82 | 99 |
| 1993 | 66 | 99 |
| 1994 | 48 | 85 |
| 1995 | 65 | 92 |
| 1996 | 52 | 87 |
| 1997 | 51 | 91 |
| 1998 | 53 | 96 |
| 1999 | 40 | 87 |
| 2000 | 45 | 100 |
| 2001 | 30 | 93 |
| 2002 | 32 | 96 |
| 2003 | 32 | 106 |
| 2004 | 31 | 102 |
| 2005 | 31 | 116 |
| 2006 | 25 | 116 |
| Bron: NEM (PGO's, CBS). | ||