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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1951 | 3 |
| 1952 | 11 |
| 1953 | 14 |
| 1954 | 7 |
| 1955 | 3 |
| 1956 | 10 |
| 1957 | 12 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 14 |
| 1961 | 7 |
| 1962 | 8 |
| 1964 | 3 |
| 1965 | 14 |
| 1966 | 28 |
| 1967 | 36 |
| 1968 | 37 |
| 1969 | 39 |
| 1970 | 47 |
| 1971 | 51 |
| 1972 | 58 |
| 1973 | 57 |
| 1974 | 47 |
| 1975 | 50 |
| 1976 | 58 |
| 1977 | 67 |
| 1978 | 62 |
| 1979 | 77 |
| 1980 | 61 |
| 1981 | 49 |
| 1982 | 80 |
| 1983 | 71 |
| 1984 | 65 |
| 1985 | 79 |
| 1986 | 87 |
| 1987 | 86 |
| 1988 | 80 |
| 1989 | 75 |
| 1990 | 83 |
| 1991 | 99 |
| 1992 | 74 |
| 1993 | 94 |
| 1994 | 85 |
| 1995 | 74 |
| 1996 | 108 |
| 1997 | 88 |
| 1998 | 93 |
| 1999 | 90 |
| 2000 | 105 |
| 2001 | 103 |
| 2002 | 115 |
| 2003 | 106 |
| 2004 | 130 |
| 2005 | 141 |
| 2006 | 140 |
| 2007 | 165 |
| 2008 | 190 |
| 2009 | 170 |
| 2010 | 168 |
| 2011 | 233 |
| 2012 | 205 |
| 2013 | 193 |
| 2014 | 225 |
| 2015 | 233 |
| 2016 | 239 |
| 2017 | 220 |
| 2018 | 236 |
| 2019 | 227 |
| 2020 | 299 |
| 2021 | 363 |
| 2022 | 476 |
| 2023 | 434 |
| 2024 | 181 |