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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 5 |
| 1947 | 12 |
| 1948 | 10 |
| 1949 | 5 |
| 1950 | 18 |
| 1951 | 20 |
| 1952 | 13 |
| 1953 | 20 |
| 1954 | 6 |
| 1955 | 7 |
| 1957 | 6 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 8 |
| 1961 | 5 |
| 1962 | 10 |
| 1963 | 4 |
| 1964 | 19 |
| 1965 | 43 |
| 1966 | 73 |
| 1967 | 87 |
| 1968 | 72 |
| 1969 | 100 |
| 1970 | 240 |
| 1971 | 327 |
| 1972 | 381 |
| 1973 | 369 |
| 1974 | 392 |
| 1975 | 557 |
| 1976 | 460 |
| 1977 | 500 |
| 1978 | 527 |
| 1979 | 602 |
| 1980 | 575 |
| 1981 | 663 |
| 1982 | 669 |
| 1983 | 822 |
| 1984 | 917 |
| 1985 | 902 |
| 1986 | 970 |
| 1987 | 1000 |
| 1988 | 997 |
| 1989 | 1032 |
| 1990 | 1094 |
| 1991 | 1161 |
| 1992 | 1122 |
| 1993 | 1070 |
| 1994 | 978 |
| 1995 | 1111 |
| 1996 | 879 |
| 1997 | 880 |
| 1998 | 998 |
| 1999 | 941 |
| 2000 | 1119 |
| 2001 | 1166 |
| 2002 | 1251 |
| 2003 | 1395 |
| 2004 | 1510 |
| 2005 | 1668 |
| 2006 | 1613 |
| 2007 | 1723 |
| 2008 | 1830 |
| 2009 | 1900 |
| 2010 | 2054 |
| 2011 | 2099 |
| 2012 | 2164 |
| 2013 | 2388 |
| 2014 | 2439 |
| 2015 | 2544 |
| 2016 | 2372 |
| 2017 | 2292 |
| 2018 | 2197 |
| 2019 | 2322 |
| 2020 | 2277 |
| 2021 | 2191 |
| 2022 | 1930 |
| 2023 | 1677 |
| 2024 | 559 |