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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 6 |
| 1965 | 4 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 12 |
| 1974 | 22 |
| 1975 | 26 |
| 1976 | 32 |
| 1977 | 25 |
| 1978 | 23 |
| 1979 | 17 |
| 1980 | 27 |
| 1981 | 15 |
| 1982 | 19 |
| 1983 | 29 |
| 1984 | 25 |
| 1985 | 20 |
| 1986 | 19 |
| 1987 | 23 |
| 1988 | 39 |
| 1989 | 47 |
| 1990 | 38 |
| 1991 | 45 |
| 1992 | 29 |
| 1993 | 25 |
| 1994 | 48 |
| 1995 | 29 |
| 1996 | 65 |
| 1997 | 55 |
| 1998 | 41 |
| 1999 | 77 |
| 2000 | 78 |
| 2001 | 84 |
| 2002 | 66 |
| 2003 | 87 |
| 2004 | 105 |
| 2005 | 128 |
| 2006 | 175 |
| 2007 | 151 |
| 2008 | 113 |
| 2009 | 183 |
| 2010 | 294 |
| 2011 | 260 |
| 2012 | 191 |
| 2013 | 148 |
| 2014 | 119 |
| 2015 | 171 |
| 2016 | 170 |
| 2017 | 198 |
| 2018 | 156 |
| 2019 | 164 |
| 2020 | 129 |
| 2021 | 130 |
| 2022 | 43 |
| 2023 | 22 |
| 2024 | 8 |