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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 3 |
| 1964 | 7 |
| 1965 | 27 |
| 1966 | 55 |
| 1967 | 59 |
| 1968 | 54 |
| 1969 | 62 |
| 1970 | 60 |
| 1971 | 67 |
| 1972 | 59 |
| 1973 | 47 |
| 1974 | 65 |
| 1975 | 59 |
| 1976 | 64 |
| 1977 | 78 |
| 1978 | 83 |
| 1979 | 114 |
| 1980 | 98 |
| 1981 | 104 |
| 1982 | 114 |
| 1983 | 95 |
| 1984 | 112 |
| 1985 | 90 |
| 1986 | 119 |
| 1987 | 88 |
| 1988 | 106 |
| 1989 | 114 |
| 1990 | 97 |
| 1991 | 101 |
| 1992 | 102 |
| 1993 | 97 |
| 1994 | 97 |
| 1995 | 91 |
| 1996 | 77 |
| 1997 | 81 |
| 1998 | 109 |
| 1999 | 120 |
| 2000 | 110 |
| 2001 | 108 |
| 2002 | 110 |
| 2003 | 125 |
| 2004 | 120 |
| 2005 | 152 |
| 2006 | 141 |
| 2007 | 177 |
| 2008 | 162 |
| 2009 | 184 |
| 2010 | 189 |
| 2011 | 177 |
| 2012 | 208 |
| 2013 | 203 |
| 2014 | 207 |
| 2015 | 205 |
| 2016 | 218 |
| 2017 | 244 |
| 2018 | 250 |
| 2019 | 261 |
| 2020 | 248 |
| 2021 | 273 |
| 2022 | 228 |
| 2023 | 169 |
| 2024 | 45 |