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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 10 |
| 1948 | 7 |
| 1949 | 43 |
| 1950 | 13 |
| 1951 | 9 |
| 1952 | 24 |
| 1953 | 43 |
| 1954 | 31 |
| 1955 | 29 |
| 1956 | 35 |
| 1957 | 38 |
| 1958 | 35 |
| 1959 | 68 |
| 1960 | 52 |
| 1961 | 33 |
| 1962 | 23 |
| 1963 | 35 |
| 1964 | 91 |
| 1965 | 94 |
| 1966 | 90 |
| 1967 | 71 |
| 1968 | 60 |
| 1969 | 104 |
| 1970 | 72 |
| 1971 | 66 |
| 1972 | 65 |
| 1973 | 66 |
| 1974 | 68 |
| 1975 | 83 |
| 1976 | 87 |
| 1977 | 103 |
| 1978 | 100 |
| 1979 | 121 |
| 1980 | 117 |
| 1981 | 136 |
| 1982 | 112 |
| 1983 | 134 |
| 1984 | 151 |
| 1985 | 145 |
| 1986 | 191 |
| 1987 | 169 |
| 1988 | 174 |
| 1989 | 157 |
| 1990 | 136 |
| 1991 | 129 |
| 1992 | 140 |
| 1993 | 151 |
| 1994 | 188 |
| 1995 | 189 |
| 1996 | 215 |
| 1997 | 201 |
| 1998 | 227 |
| 1999 | 177 |
| 2000 | 235 |
| 2001 | 237 |
| 2002 | 215 |
| 2003 | 215 |
| 2004 | 252 |
| 2005 | 263 |
| 2006 | 283 |
| 2007 | 270 |
| 2008 | 223 |
| 2009 | 249 |
| 2010 | 316 |
| 2011 | 287 |
| 2012 | 296 |
| 2013 | 287 |
| 2014 | 267 |
| 2015 | 283 |
| 2016 | 230 |
| 2017 | 225 |
| 2018 | 254 |
| 2019 | 321 |
| 2020 | 323 |
| 2021 | 327 |
| 2022 | 199 |
| 2023 | 276 |
| 2024 | 155 |