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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 10 |
| 1949 | 18 |
| 1950 | 1 |
| 1951 | 7 |
| 1952 | 10 |
| 1953 | 31 |
| 1954 | 32 |
| 1955 | 61 |
| 1956 | 93 |
| 1957 | 59 |
| 1958 | 85 |
| 1959 | 85 |
| 1960 | 130 |
| 1961 | 104 |
| 1962 | 130 |
| 1965 | 3 |
| 1966 | 1 |
| 1967 | 16 |
| 1968 | 21 |
| 1969 | 29 |
| 1970 | 62 |
| 1971 | 68 |
| 1972 | 91 |
| 1973 | 65 |
| 1974 | 153 |
| 1975 | 191 |
| 1976 | 182 |
| 1977 | 174 |
| 1978 | 164 |
| 1979 | 175 |
| 1980 | 140 |
| 1981 | 162 |
| 1982 | 170 |
| 1983 | 182 |
| 1984 | 184 |
| 1985 | 197 |
| 1986 | 213 |
| 1987 | 206 |
| 1988 | 227 |
| 1989 | 250 |
| 1990 | 367 |
| 1991 | 555 |
| 1992 | 627 |
| 1993 | 746 |
| 1994 | 923 |
| 1995 | 840 |
| 1996 | 579 |
| 1997 | 541 |
| 1998 | 665 |
| 1999 | 875 |
| 2000 | 933 |
| 2001 | 1188 |
| 2002 | 1202 |
| 2003 | 1363 |
| 2004 | 1488 |
| 2005 | 1679 |
| 2006 | 1484 |
| 2007 | 1356 |
| 2008 | 1335 |
| 2009 | 1323 |
| 2010 | 1313 |
| 2011 | 1401 |
| 2012 | 1429 |
| 2013 | 1440 |
| 2014 | 1300 |
| 2015 | 1313 |
| 2016 | 1084 |
| 2017 | 1070 |
| 2018 | 1077 |
| 2019 | 963 |
| 2020 | 881 |
| 2021 | 661 |
| 2022 | 354 |
| 2023 | 182 |
| 2024 | 83 |