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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 16 |
| 1946 | 34 |
| 1947 | 17 |
| 1948 | 15 |
| 1949 | 35 |
| 1950 | 19 |
| 1951 | 47 |
| 1952 | 62 |
| 1953 | 28 |
| 1954 | 23 |
| 1955 | 25 |
| 1956 | 41 |
| 1957 | 32 |
| 1958 | 27 |
| 1959 | 6 |
| 1960 | 19 |
| 1961 | 13 |
| 1962 | 36 |
| 1963 | 199 |
| 1964 | 344 |
| 1965 | 365 |
| 1966 | 296 |
| 1967 | 435 |
| 1968 | 449 |
| 1969 | 656 |
| 1970 | 575 |
| 1971 | 532 |
| 1972 | 753 |
| 1973 | 571 |
| 1974 | 402 |
| 1975 | 339 |
| 1976 | 303 |
| 1977 | 307 |
| 1978 | 313 |
| 1979 | 332 |
| 1980 | 307 |
| 1981 | 335 |
| 1982 | 320 |
| 1983 | 226 |
| 1984 | 213 |
| 1985 | 233 |
| 1986 | 202 |
| 1987 | 167 |
| 1988 | 154 |
| 1989 | 197 |
| 1990 | 209 |
| 1991 | 227 |
| 1992 | 159 |
| 1993 | 155 |
| 1994 | 205 |
| 1995 | 270 |
| 1996 | 284 |
| 1997 | 348 |
| 1998 | 312 |
| 1999 | 284 |
| 2000 | 191 |
| 2001 | 178 |
| 2002 | 191 |
| 2003 | 206 |
| 2004 | 224 |
| 2005 | 232 |
| 2006 | 203 |
| 2007 | 164 |
| 2008 | 156 |
| 2009 | 153 |
| 2010 | 155 |
| 2011 | 152 |
| 2012 | 138 |
| 2013 | 104 |
| 2014 | 145 |
| 2015 | 153 |
| 2016 | 144 |
| 2017 | 149 |
| 2018 | 121 |
| 2019 | 103 |
| 2020 | 114 |
| 2021 | 55 |
| 2022 | 30 |
| 2023 | 19 |
| 2024 | 26 |