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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 2 |
| 1957 | 5 |
| 1958 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 4 |
| 1964 | 2 |
| 1965 | 10 |
| 1966 | 31 |
| 1967 | 46 |
| 1968 | 49 |
| 1969 | 35 |
| 1970 | 47 |
| 1971 | 46 |
| 1972 | 74 |
| 1973 | 94 |
| 1974 | 95 |
| 1975 | 108 |
| 1976 | 117 |
| 1977 | 146 |
| 1978 | 140 |
| 1979 | 145 |
| 1980 | 129 |
| 1981 | 141 |
| 1982 | 138 |
| 1983 | 187 |
| 1984 | 197 |
| 1985 | 233 |
| 1986 | 209 |
| 1987 | 201 |
| 1988 | 220 |
| 1989 | 210 |
| 1990 | 183 |
| 1991 | 185 |
| 1992 | 200 |
| 1993 | 220 |
| 1994 | 179 |
| 1995 | 225 |
| 1996 | 205 |
| 1997 | 218 |
| 1998 | 208 |
| 1999 | 224 |
| 2000 | 236 |
| 2001 | 219 |
| 2002 | 233 |
| 2003 | 264 |
| 2004 | 248 |
| 2005 | 251 |
| 2006 | 282 |
| 2007 | 283 |
| 2008 | 339 |
| 2009 | 339 |
| 2010 | 359 |
| 2011 | 408 |
| 2012 | 422 |
| 2013 | 395 |
| 2014 | 451 |
| 2015 | 473 |
| 2016 | 384 |
| 2017 | 379 |
| 2018 | 384 |
| 2019 | 445 |
| 2020 | 415 |
| 2021 | 322 |
| 2022 | 54 |
| 2023 | 19 |
| 2024 | 3 |