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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 4 |
| 1998 | 5 |
| 1999 | 5 |
| 2000 | 10 |
| 2001 | 30 |
| 2002 | 46 |
| 2003 | 54 |
| 2004 | 43 |
| 2005 | 56 |
| 2006 | 70 |
| 2007 | 58 |
| 2008 | 88 |
| 2009 | 86 |
| 2010 | 121 |
| 2011 | 163 |
| 2012 | 167 |
| 2013 | 210 |
| 2014 | 187 |
| 2015 | 239 |
| 2016 | 213 |
| 2017 | 263 |
| 2018 | 275 |
| 2019 | 295 |
| 2020 | 323 |
| 2021 | 317 |
| 2022 | 291 |
| 2023 | 253 |
| 2024 | 132 |