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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 7 |
| 1952 | 15 |
| 1953 | 9 |
| 1954 | 1 |
| 1955 | 9 |
| 1956 | 15 |
| 1957 | 17 |
| 1958 | 20 |
| 1959 | 19 |
| 1960 | 28 |
| 1961 | 13 |
| 1962 | 23 |
| 1963 | 28 |
| 1964 | 45 |
| 1965 | 53 |
| 1966 | 39 |
| 1967 | 59 |
| 1968 | 76 |
| 1969 | 83 |
| 1970 | 75 |
| 1971 | 74 |
| 1972 | 88 |
| 1973 | 82 |
| 1974 | 72 |
| 1975 | 68 |
| 1976 | 88 |
| 1977 | 65 |
| 1978 | 64 |
| 1979 | 72 |
| 1980 | 59 |
| 1981 | 87 |
| 1982 | 42 |
| 1983 | 56 |
| 1984 | 48 |
| 1985 | 55 |
| 1986 | 75 |
| 1987 | 65 |
| 1988 | 40 |
| 1989 | 64 |
| 1990 | 47 |
| 1991 | 51 |
| 1992 | 76 |
| 1993 | 55 |
| 1994 | 98 |
| 1995 | 84 |
| 1996 | 115 |
| 1997 | 84 |
| 1998 | 87 |
| 1999 | 74 |
| 2000 | 116 |
| 2001 | 146 |
| 2002 | 136 |
| 2003 | 162 |
| 2004 | 151 |
| 2005 | 174 |
| 2006 | 149 |
| 2007 | 168 |
| 2008 | 159 |
| 2009 | 173 |
| 2010 | 175 |
| 2011 | 218 |
| 2012 | 193 |
| 2013 | 245 |
| 2014 | 236 |
| 2015 | 261 |
| 2016 | 282 |
| 2017 | 308 |
| 2018 | 311 |
| 2019 | 350 |
| 2020 | 320 |
| 2021 | 232 |
| 2022 | 238 |
| 2023 | 205 |
| 2024 | 118 |