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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1952 | 1 |
| 1953 | 7 |
| 1954 | 5 |
| 1955 | 11 |
| 1956 | 27 |
| 1957 | 25 |
| 1958 | 29 |
| 1959 | 35 |
| 1960 | 29 |
| 1961 | 19 |
| 1962 | 15 |
| 1964 | 5 |
| 1965 | 59 |
| 1966 | 90 |
| 1967 | 96 |
| 1968 | 98 |
| 1969 | 95 |
| 1970 | 103 |
| 1971 | 111 |
| 1972 | 127 |
| 1973 | 99 |
| 1974 | 111 |
| 1975 | 123 |
| 1976 | 119 |
| 1977 | 90 |
| 1978 | 92 |
| 1979 | 106 |
| 1980 | 87 |
| 1981 | 106 |
| 1982 | 99 |
| 1983 | 100 |
| 1984 | 86 |
| 1985 | 117 |
| 1986 | 101 |
| 1987 | 112 |
| 1988 | 132 |
| 1989 | 124 |
| 1990 | 140 |
| 1991 | 127 |
| 1992 | 132 |
| 1993 | 130 |
| 1994 | 123 |
| 1995 | 132 |
| 1996 | 124 |
| 1997 | 100 |
| 1998 | 140 |
| 1999 | 140 |
| 2000 | 151 |
| 2001 | 146 |
| 2002 | 139 |
| 2003 | 127 |
| 2004 | 141 |
| 2005 | 176 |
| 2006 | 153 |
| 2007 | 191 |
| 2008 | 208 |
| 2009 | 249 |
| 2010 | 287 |
| 2011 | 332 |
| 2012 | 333 |
| 2013 | 350 |
| 2014 | 352 |
| 2015 | 357 |
| 2016 | 316 |
| 2017 | 246 |
| 2018 | 235 |
| 2019 | 228 |
| 2020 | 225 |
| 2021 | 155 |
| 2022 | 128 |
| 2023 | 99 |
| 2024 | 35 |