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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1967 | 1 |
| 1968 | 6 |
| 1969 | 25 |
| 1970 | 108 |
| 1971 | 74 |
| 1972 | 79 |
| 1973 | 112 |
| 1974 | 121 |
| 1975 | 128 |
| 1976 | 108 |
| 1977 | 102 |
| 1978 | 129 |
| 1979 | 114 |
| 1980 | 115 |
| 1981 | 115 |
| 1982 | 104 |
| 1983 | 110 |
| 1984 | 114 |
| 1985 | 106 |
| 1986 | 123 |
| 1987 | 186 |
| 1988 | 165 |
| 1989 | 226 |
| 1990 | 224 |
| 1991 | 181 |
| 1992 | 186 |
| 1993 | 257 |
| 1994 | 188 |
| 1995 | 194 |
| 1996 | 212 |
| 1997 | 187 |
| 1998 | 163 |
| 1999 | 187 |
| 2000 | 172 |
| 2001 | 148 |
| 2002 | 152 |
| 2003 | 185 |
| 2004 | 224 |
| 2005 | 175 |
| 2006 | 168 |
| 2007 | 165 |
| 2008 | 212 |
| 2009 | 231 |
| 2010 | 271 |
| 2011 | 228 |
| 2012 | 261 |
| 2013 | 272 |
| 2014 | 315 |
| 2015 | 240 |
| 2016 | 274 |
| 2017 | 246 |
| 2018 | 284 |
| 2019 | 290 |
| 2020 | 317 |
| 2021 | 249 |
| 2022 | 240 |
| 2023 | 257 |
| 2024 | 137 |