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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 4 |
| 1952 | 3 |
| 1953 | 5 |
| 1954 | 13 |
| 1955 | 13 |
| 1956 | 8 |
| 1957 | 11 |
| 1958 | 6 |
| 1959 | 6 |
| 1960 | 10 |
| 1961 | 16 |
| 1962 | 7 |
| 1965 | 35 |
| 1966 | 69 |
| 1967 | 77 |
| 1968 | 121 |
| 1969 | 112 |
| 1970 | 92 |
| 1971 | 111 |
| 1972 | 128 |
| 1973 | 111 |
| 1974 | 129 |
| 1975 | 96 |
| 1976 | 96 |
| 1977 | 83 |
| 1978 | 105 |
| 1979 | 79 |
| 1980 | 103 |
| 1981 | 108 |
| 1982 | 89 |
| 1983 | 86 |
| 1984 | 108 |
| 1985 | 109 |
| 1986 | 99 |
| 1987 | 120 |
| 1988 | 113 |
| 1989 | 148 |
| 1990 | 153 |
| 1991 | 143 |
| 1992 | 104 |
| 1993 | 129 |
| 1994 | 113 |
| 1995 | 104 |
| 1996 | 120 |
| 1997 | 122 |
| 1998 | 124 |
| 1999 | 86 |
| 2000 | 80 |
| 2001 | 90 |
| 2002 | 104 |
| 2003 | 141 |
| 2004 | 162 |
| 2005 | 169 |
| 2006 | 180 |
| 2007 | 191 |
| 2008 | 218 |
| 2009 | 203 |
| 2010 | 221 |
| 2011 | 221 |
| 2012 | 232 |
| 2013 | 234 |
| 2014 | 242 |
| 2015 | 198 |
| 2016 | 233 |
| 2017 | 184 |
| 2018 | 185 |
| 2019 | 207 |
| 2020 | 184 |
| 2021 | 175 |
| 2022 | 225 |
| 2023 | 159 |
| 2024 | 38 |