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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1952 | 5 |
| 1953 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 3 |
| 1965 | 10 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 3 |
| 1969 | 6 |
| 1970 | 7 |
| 1971 | 5 |
| 1972 | 10 |
| 1973 | 14 |
| 1974 | 16 |
| 1975 | 27 |
| 1976 | 23 |
| 1977 | 20 |
| 1978 | 26 |
| 1979 | 45 |
| 1980 | 29 |
| 1981 | 49 |
| 1982 | 57 |
| 1983 | 69 |
| 1984 | 56 |
| 1985 | 71 |
| 1986 | 82 |
| 1987 | 96 |
| 1988 | 104 |
| 1989 | 106 |
| 1990 | 115 |
| 1991 | 144 |
| 1992 | 148 |
| 1993 | 174 |
| 1994 | 199 |
| 1995 | 209 |
| 1996 | 196 |
| 1997 | 233 |
| 1998 | 214 |
| 1999 | 263 |
| 2000 | 297 |
| 2001 | 314 |
| 2002 | 345 |
| 2003 | 391 |
| 2004 | 494 |
| 2005 | 653 |
| 2006 | 693 |
| 2007 | 806 |
| 2008 | 886 |
| 2009 | 1039 |
| 2010 | 1230 |
| 2011 | 1448 |
| 2012 | 1545 |
| 2013 | 1825 |
| 2014 | 2044 |
| 2015 | 2330 |
| 2016 | 2449 |
| 2017 | 2738 |
| 2018 | 2984 |
| 2019 | 3516 |
| 2020 | 4089 |
| 2021 | 4717 |
| 2022 | 5441 |
| 2023 | 1540 |