Table
| Polar bear. PCB-153 in blood plasma. ng/g lipide weight | Glaucous gull. PCB-153 in blood plasma. ng/g lipide weight | |
|---|---|---|
| 1991 | 2 937 | .. |
| 1992 | 3 298 | .. |
| 1993 | 3 267 | .. |
| 1994 | 3 426 | .. |
| 1995 | 2 607 | .. |
| 1996 | 2 802 | .. |
| 1997 | 2 927 | 37 486 |
| 1998 | 3 699 | 23 659 |
| 1999 | .. | .. |
| 2000 | .. | 19 636 |
| 2001 | .. | 37 185 |
| 2002 | 2 556 | 7 471 |
| 2003 | 1 882 | .. |
| 2004 | .. | 14 431 |
| 2005 | .. | .. |
| 2006 | .. | 15 813 |
| 2007 | .. | .. |
| 2008 | 1 577 | .. |
| 2009 | .. | 17 216 |
| 2010 | .. | .. |
| 2011 | 1 985 | .. |