|
Items
| 2013 |
23 |
1,14 |
| 2012 |
51 |
2,52 |
| 2011 |
76 |
3,76 |
| 2010 |
99 |
4,90 |
| 2009 |
99 |
4,90 |
| 2008 |
105 |
5,20 |
| 2007 |
46 |
2,28 |
| 2006 |
90 |
4,46 |
| 2005 |
34 |
1,68 |
| 2004 |
27 |
1,34 |
| 2003 |
134 |
6,63 |
| 2002 |
83 |
4,11 |
| 2001 |
69 |
3,42 |
| 2000 |
106 |
5,25 |
| 1999 |
221 |
10,94 |
| 1998 |
185 |
9,16 |
| 1997 |
19 |
0,94 |
| 1996 |
12 |
0,59 |
| 1995 |
8 |
0,40 |
| 1994 |
19 |
0,94 |
| 1993 |
514 |
25,45 |
|
|
|
Items per publication year
|
|
|
