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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1969 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 5 |
| 1978 | 8 |
| 1979 | 4 |
| 1980 | 8 |
| 1981 | 17 |
| 1982 | 20 |
| 1983 | 28 |
| 1984 | 29 |
| 1985 | 19 |
| 1986 | 19 |
| 1987 | 28 |
| 1988 | 39 |
| 1989 | 51 |
| 1990 | 43 |
| 1991 | 48 |
| 1992 | 37 |
| 1993 | 43 |
| 1994 | 55 |
| 1995 | 58 |
| 1996 | 37 |
| 1997 | 57 |
| 1998 | 49 |
| 1999 | 51 |
| 2000 | 57 |
| 2001 | 62 |
| 2002 | 57 |
| 2003 | 80 |
| 2004 | 63 |
| 2005 | 83 |
| 2006 | 76 |
| 2007 | 75 |
| 2008 | 66 |
| 2009 | 103 |
| 2010 | 95 |
| 2011 | 127 |
| 2012 | 109 |
| 2013 | 103 |
| 2014 | 150 |
| 2015 | 159 |
| 2016 | 106 |
| 2017 | 89 |
| 2018 | 134 |
| 2019 | 157 |
| 2020 | 181 |
| 2021 | 167 |
| 2022 | 152 |
| 2023 | 150 |
| 2024 | 35 |