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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 4 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 8 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 7 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 7 |
| 1959 | 54 |
| 1960 | 85 |
| 1961 | 94 |
| 1962 | 119 |
| 1963 | 264 |
| 1964 | 396 |
| 1965 | 386 |
| 1966 | 274 |
| 1967 | 234 |
| 1968 | 159 |
| 1969 | 161 |
| 1970 | 145 |
| 1971 | 134 |
| 1972 | 137 |
| 1973 | 131 |
| 1974 | 164 |
| 1975 | 212 |
| 1976 | 174 |
| 1977 | 213 |
| 1978 | 240 |
| 1979 | 259 |
| 1980 | 264 |
| 1981 | 316 |
| 1982 | 324 |
| 1983 | 332 |
| 1984 | 332 |
| 1985 | 288 |
| 1986 | 319 |
| 1987 | 385 |
| 1988 | 394 |
| 1989 | 369 |
| 1990 | 416 |
| 1991 | 370 |
| 1992 | 285 |
| 1993 | 302 |
| 1994 | 312 |
| 1995 | 293 |
| 1996 | 281 |
| 1997 | 302 |
| 1998 | 383 |
| 1999 | 432 |
| 2000 | 490 |
| 2001 | 476 |
| 2002 | 526 |
| 2003 | 494 |
| 2004 | 616 |
| 2005 | 626 |
| 2006 | 752 |
| 2007 | 810 |
| 2008 | 912 |
| 2009 | 966 |
| 2010 | 1133 |
| 2011 | 1271 |
| 2012 | 1335 |
| 2013 | 1380 |
| 2014 | 1547 |
| 2015 | 1488 |
| 2016 | 1429 |
| 2017 | 1416 |
| 2018 | 1508 |
| 2019 | 1501 |
| 2020 | 1246 |
| 2021 | 559 |
| 2022 | 393 |
| 2023 | 256 |
| 2024 | 171 |