Query parameters
Query: -
Query filters: format:"Electronic", full_text_str_mv:"online"
Results count: 33774
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 |
1996 |
2 |
1997 |
18 |
1998 |
16 |
1999 |
33 |
2000 |
29 |
2001 |
60 |
2002 |
35 |
2003 |
36 |
2004 |
98 |
2005 |
143 |
2006 |
237 |
2007 |
275 |
2008 |
548 |
2009 |
664 |
2010 |
873 |
2011 |
1149 |
2012 |
1415 |
2013 |
1413 |
2014 |
1528 |
2015 |
1350 |
2016 |
1619 |
2017 |
1645 |
2018 |
1905 |
2019 |
1897 |
2020 |
2267 |
2021 |
2135 |
2022 |
1931 |
2023 |
1490 |
2024 |
189 |