| Hallintajärjestelmät Management systems |
ISO 9001 | ISO 14001 | EMAS | OHSAS 18001 | Muu Other |
| 1996 | 40 | 9 | 2 | 0 | 13 |
| 1997 | 55 | 18 | 2 | 0 | 8 |
| 1998 | 72 | 32 | 6 | 10 | 5 |
| 1999 | 80 | 45 | 6 | 15 | 8 |
| 2000 | 94 | 57 | 6 | 16 | 10 |
| 2001 | 89 | 64 | 5 | 17 | 13 |
| 2002 | 99 | 79 | 6 | 28 | 14 |
| 2003 | 96 | 77 | 5 | 34 | 17 |
| 2004 | 98 | 77 | 5 | 35 | 26 |
| 2005 | 92 | 75 | 5 | 36 | 26 |
| 2006 | 99 | 86 | 5 | 43 | 27 |
| 2007 | 101 | 85 | 5 | 41 | 29 |
| 2008 | 101 | 87 | 5 | 44 | 38 |
| 2009 | 103 | 88 | 4 | 47 | 41 |
| 2010 | 97 | 81 | 2 | 48 | 41 |
| 2011 | 91 | 77 | 2 | 49 | 40 |