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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 4 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 2 |
| 1953 | 1 |
| 1955 | 3 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 5 |
| 1966 | 12 |
| 1967 | 55 |
| 1968 | 69 |
| 1969 | 97 |
| 1970 | 100 |
| 1971 | 102 |
| 1972 | 95 |
| 1973 | 137 |
| 1974 | 169 |
| 1975 | 104 |
| 1976 | 96 |
| 1977 | 107 |
| 1978 | 131 |
| 1979 | 214 |
| 1980 | 282 |
| 1981 | 292 |
| 1982 | 412 |
| 1983 | 405 |
| 1984 | 489 |
| 1985 | 436 |
| 1986 | 401 |
| 1987 | 355 |
| 1988 | 381 |
| 1989 | 381 |
| 1990 | 390 |
| 1991 | 325 |
| 1992 | 351 |
| 1993 | 319 |
| 1994 | 329 |
| 1995 | 324 |
| 1996 | 258 |
| 1997 | 240 |
| 1998 | 285 |
| 1999 | 227 |
| 2000 | 250 |
| 2001 | 252 |
| 2002 | 259 |
| 2003 | 220 |
| 2004 | 268 |
| 2005 | 282 |
| 2006 | 269 |
| 2007 | 301 |
| 2008 | 309 |
| 2009 | 247 |
| 2010 | 267 |
| 2011 | 415 |
| 2012 | 620 |
| 2013 | 630 |
| 2014 | 642 |
| 2015 | 632 |
| 2016 | 667 |
| 2017 | 649 |
| 2018 | 602 |
| 2019 | 599 |
| 2020 | 606 |
| 2021 | 642 |
| 2022 | 432 |
| 2023 | 381 |
| 2024 | 435 |
| 2025 | 35 |