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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 2 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 6 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 7 |
| 1961 | 7 |
| 1962 | 6 |
| 1963 | 6 |
| 1964 | 15 |
| 1965 | 12 |
| 1966 | 24 |
| 1967 | 45 |
| 1968 | 56 |
| 1969 | 70 |
| 1970 | 72 |
| 1971 | 85 |
| 1972 | 85 |
| 1973 | 52 |
| 1974 | 54 |
| 1975 | 65 |
| 1976 | 44 |
| 1977 | 49 |
| 1978 | 56 |
| 1979 | 82 |
| 1980 | 55 |
| 1981 | 65 |
| 1982 | 28 |
| 1983 | 58 |
| 1984 | 55 |
| 1985 | 25 |
| 1986 | 42 |
| 1987 | 31 |
| 1988 | 34 |
| 1989 | 51 |
| 1990 | 63 |
| 1991 | 58 |
| 1992 | 69 |
| 1993 | 103 |
| 1994 | 108 |
| 1995 | 117 |
| 1996 | 118 |
| 1997 | 123 |
| 1998 | 131 |
| 1999 | 118 |
| 2000 | 135 |
| 2001 | 104 |
| 2002 | 126 |
| 2003 | 144 |
| 2004 | 151 |
| 2005 | 154 |
| 2006 | 159 |
| 2007 | 190 |
| 2008 | 184 |
| 2009 | 184 |
| 2010 | 199 |
| 2011 | 227 |
| 2012 | 247 |
| 2013 | 232 |
| 2014 | 177 |
| 2015 | 239 |
| 2016 | 197 |
| 2017 | 210 |
| 2018 | 253 |
| 2019 | 262 |
| 2020 | 329 |
| 2021 | 256 |
| 2022 | 256 |
| 2023 | 215 |
| 2024 | 64 |