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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1970 | 2 |
| 1973 | 1 |
| 1975 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 10 |
| 1987 | 8 |
| 1988 | 4 |
| 1989 | 12 |
| 1990 | 20 |
| 1991 | 16 |
| 1992 | 21 |
| 1993 | 32 |
| 1994 | 39 |
| 1995 | 25 |
| 1996 | 35 |
| 1997 | 52 |
| 1998 | 53 |
| 1999 | 59 |
| 2000 | 82 |
| 2001 | 92 |
| 2002 | 80 |
| 2003 | 110 |
| 2004 | 110 |
| 2005 | 143 |
| 2006 | 160 |
| 2007 | 184 |
| 2008 | 263 |
| 2009 | 258 |
| 2010 | 273 |
| 2011 | 331 |
| 2012 | 396 |
| 2013 | 499 |
| 2014 | 520 |
| 2015 | 558 |
| 2016 | 589 |
| 2017 | 729 |
| 2018 | 791 |
| 2019 | 837 |
| 2020 | 1017 |
| 2021 | 1098 |
| 2022 | 1332 |
| 2023 | 346 |