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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 9 |
| 1947 | 7 |
| 1948 | 7 |
| 1949 | 4 |
| 1950 | 5 |
| 1951 | 12 |
| 1952 | 13 |
| 1953 | 11 |
| 1954 | 9 |
| 1955 | 2 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 5 |
| 1959 | 8 |
| 1960 | 10 |
| 1961 | 13 |
| 1962 | 17 |
| 1963 | 14 |
| 1964 | 19 |
| 1965 | 18 |
| 1966 | 21 |
| 1967 | 36 |
| 1968 | 56 |
| 1969 | 58 |
| 1970 | 49 |
| 1971 | 87 |
| 1972 | 135 |
| 1973 | 119 |
| 1974 | 191 |
| 1975 | 145 |
| 1976 | 179 |
| 1977 | 195 |
| 1978 | 239 |
| 1979 | 228 |
| 1980 | 295 |
| 1981 | 307 |
| 1982 | 297 |
| 1983 | 300 |
| 1984 | 312 |
| 1985 | 356 |
| 1986 | 327 |
| 1987 | 342 |
| 1988 | 334 |
| 1989 | 389 |
| 1990 | 369 |
| 1991 | 399 |
| 1992 | 387 |
| 1993 | 380 |
| 1994 | 386 |
| 1995 | 311 |
| 1996 | 328 |
| 1997 | 306 |
| 1998 | 319 |
| 1999 | 254 |
| 2000 | 284 |
| 2001 | 293 |
| 2002 | 301 |
| 2003 | 327 |
| 2004 | 310 |
| 2005 | 294 |
| 2006 | 318 |
| 2007 | 309 |
| 2008 | 252 |
| 2009 | 82 |
| 2010 | 87 |
| 2011 | 92 |
| 2012 | 106 |
| 2013 | 107 |
| 2014 | 76 |
| 2015 | 60 |
| 2016 | 63 |
| 2017 | 77 |
| 2018 | 47 |
| 2019 | 31 |
| 2020 | 29 |
| 2021 | 28 |
| 2022 | 44 |
| 2023 | 31 |
| 2024 | 28 |
| 2025 | 13 |