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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1956 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 5 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 3 |
| 1969 | 6 |
| 1970 | 7 |
| 1971 | 10 |
| 1972 | 7 |
| 1973 | 8 |
| 1974 | 3 |
| 1975 | 9 |
| 1976 | 21 |
| 1977 | 21 |
| 1978 | 15 |
| 1979 | 20 |
| 1980 | 29 |
| 1981 | 27 |
| 1982 | 35 |
| 1983 | 29 |
| 1984 | 37 |
| 1985 | 30 |
| 1986 | 42 |
| 1987 | 39 |
| 1988 | 52 |
| 1989 | 43 |
| 1990 | 64 |
| 1991 | 65 |
| 1992 | 62 |
| 1993 | 72 |
| 1994 | 75 |
| 1995 | 70 |
| 1996 | 87 |
| 1997 | 126 |
| 1998 | 119 |
| 1999 | 153 |
| 2000 | 162 |
| 2001 | 184 |
| 2002 | 157 |
| 2003 | 204 |
| 2004 | 186 |
| 2005 | 213 |
| 2006 | 196 |
| 2007 | 235 |
| 2008 | 254 |
| 2009 | 244 |
| 2010 | 319 |
| 2011 | 327 |
| 2012 | 379 |
| 2013 | 381 |
| 2014 | 475 |
| 2015 | 454 |
| 2016 | 483 |
| 2017 | 519 |
| 2018 | 537 |
| 2019 | 547 |
| 2020 | 668 |
| 2021 | 777 |
| 2022 | 786 |
| 2023 | 519 |