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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 6 |
| 1952 | 11 |
| 1953 | 12 |
| 1954 | 13 |
| 1955 | 8 |
| 1956 | 12 |
| 1957 | 9 |
| 1958 | 12 |
| 1959 | 11 |
| 1960 | 6 |
| 1961 | 6 |
| 1962 | 10 |
| 1964 | 1 |
| 1965 | 21 |
| 1966 | 45 |
| 1967 | 79 |
| 1968 | 84 |
| 1969 | 88 |
| 1970 | 87 |
| 1971 | 87 |
| 1972 | 83 |
| 1973 | 126 |
| 1974 | 124 |
| 1975 | 112 |
| 1976 | 140 |
| 1977 | 132 |
| 1978 | 159 |
| 1979 | 155 |
| 1980 | 135 |
| 1981 | 181 |
| 1982 | 182 |
| 1983 | 173 |
| 1984 | 146 |
| 1985 | 205 |
| 1986 | 209 |
| 1987 | 284 |
| 1988 | 277 |
| 1989 | 265 |
| 1990 | 273 |
| 1991 | 301 |
| 1992 | 334 |
| 1993 | 293 |
| 1994 | 342 |
| 1995 | 318 |
| 1996 | 338 |
| 1997 | 348 |
| 1998 | 349 |
| 1999 | 310 |
| 2000 | 333 |
| 2001 | 308 |
| 2002 | 422 |
| 2003 | 378 |
| 2004 | 451 |
| 2005 | 520 |
| 2006 | 501 |
| 2007 | 534 |
| 2008 | 584 |
| 2009 | 644 |
| 2010 | 720 |
| 2011 | 790 |
| 2012 | 790 |
| 2013 | 825 |
| 2014 | 952 |
| 2015 | 988 |
| 2016 | 994 |
| 2017 | 1011 |
| 2018 | 971 |
| 2019 | 1068 |
| 2020 | 1262 |
| 2021 | 1320 |
| 2022 | 1323 |
| 2023 | 1205 |
| 2024 | 331 |