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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1951 | 1 |
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 3 |
| 1960 | 8 |
| 1961 | 4 |
| 1962 | 4 |
| 1964 | 1 |
| 1965 | 20 |
| 1966 | 52 |
| 1967 | 49 |
| 1968 | 66 |
| 1969 | 66 |
| 1970 | 50 |
| 1971 | 68 |
| 1972 | 47 |
| 1973 | 53 |
| 1974 | 48 |
| 1975 | 58 |
| 1976 | 38 |
| 1977 | 39 |
| 1978 | 44 |
| 1979 | 48 |
| 1980 | 44 |
| 1981 | 52 |
| 1982 | 59 |
| 1983 | 58 |
| 1984 | 66 |
| 1985 | 87 |
| 1986 | 66 |
| 1987 | 68 |
| 1988 | 77 |
| 1989 | 105 |
| 1990 | 117 |
| 1991 | 111 |
| 1992 | 95 |
| 1993 | 101 |
| 1994 | 122 |
| 1995 | 96 |
| 1996 | 103 |
| 1997 | 118 |
| 1998 | 75 |
| 1999 | 102 |
| 2000 | 85 |
| 2001 | 111 |
| 2002 | 121 |
| 2003 | 136 |
| 2004 | 142 |
| 2005 | 145 |
| 2006 | 151 |
| 2007 | 185 |
| 2008 | 212 |
| 2009 | 221 |
| 2010 | 227 |
| 2011 | 288 |
| 2012 | 342 |
| 2013 | 382 |
| 2014 | 389 |
| 2015 | 470 |
| 2016 | 459 |
| 2017 | 480 |
| 2018 | 502 |
| 2019 | 563 |
| 2020 | 531 |
| 2021 | 445 |
| 2022 | 267 |
| 2023 | 207 |
| 2024 | 98 |