Query parameters
Query: -
Results count: 2319854
Too many results found. Only first 25 000 records are displayed in charts. To get more data click 'Data export'.
Chart type selection:
Publication years:
Publication year |
Count |
1997 |
48 |
1998 |
119 |
1999 |
174 |
2000 |
226 |
2001 |
210 |
2002 |
203 |
2003 |
517 |
2004 |
5371 |
2005 |
6516 |
2006 |
299 |
2007 |
835 |
2008 |
7333 |
2009 |
3149 |