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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 3 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 11 |
| 1955 | 4 |
| 1956 | 9 |
| 1957 | 5 |
| 1958 | 4 |
| 1959 | 8 |
| 1960 | 4 |
| 1961 | 18 |
| 1962 | 19 |
| 1963 | 27 |
| 1964 | 47 |
| 1965 | 31 |
| 1966 | 48 |
| 1967 | 54 |
| 1968 | 41 |
| 1969 | 46 |
| 1970 | 45 |
| 1971 | 49 |
| 1972 | 35 |
| 1973 | 50 |
| 1974 | 55 |
| 1975 | 54 |
| 1976 | 52 |
| 1977 | 51 |
| 1978 | 60 |
| 1979 | 65 |
| 1980 | 61 |
| 1981 | 78 |
| 1982 | 123 |
| 1983 | 147 |
| 1984 | 166 |
| 1985 | 157 |
| 1986 | 141 |
| 1987 | 150 |
| 1988 | 157 |
| 1989 | 192 |
| 1990 | 171 |
| 1991 | 200 |
| 1992 | 184 |
| 1993 | 195 |
| 1994 | 222 |
| 1995 | 254 |
| 1996 | 236 |
| 1997 | 211 |
| 1998 | 273 |
| 1999 | 272 |
| 2000 | 314 |
| 2001 | 312 |
| 2002 | 365 |
| 2003 | 377 |
| 2004 | 407 |
| 2005 | 415 |
| 2006 | 400 |
| 2007 | 408 |
| 2008 | 447 |
| 2009 | 471 |
| 2010 | 488 |
| 2011 | 473 |
| 2012 | 528 |
| 2013 | 546 |
| 2014 | 570 |
| 2015 | 524 |
| 2016 | 504 |
| 2017 | 476 |
| 2018 | 451 |
| 2019 | 528 |
| 2020 | 593 |
| 2021 | 651 |
| 2022 | 605 |
| 2023 | 539 |
| 2024 | 3 |