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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 1 |
| 1954 | 2 |
| 1956 | 36 |
| 1957 | 85 |
| 1958 | 94 |
| 1959 | 61 |
| 1960 | 64 |
| 1961 | 67 |
| 1962 | 17 |
| 1963 | 1 |
| 1964 | 10 |
| 1965 | 85 |
| 1966 | 148 |
| 1967 | 189 |
| 1968 | 200 |
| 1969 | 238 |
| 1970 | 209 |
| 1971 | 229 |
| 1972 | 199 |
| 1973 | 175 |
| 1974 | 187 |
| 1975 | 150 |
| 1976 | 172 |
| 1977 | 155 |
| 1978 | 142 |
| 1979 | 201 |
| 1980 | 149 |
| 1981 | 170 |
| 1982 | 115 |
| 1983 | 137 |
| 1984 | 136 |
| 1985 | 135 |
| 1986 | 112 |
| 1987 | 148 |
| 1988 | 153 |
| 1989 | 161 |
| 1990 | 169 |
| 1991 | 166 |
| 1992 | 171 |
| 1993 | 158 |
| 1994 | 136 |
| 1995 | 156 |
| 1996 | 207 |
| 1997 | 198 |
| 1998 | 258 |
| 1999 | 290 |
| 2000 | 297 |
| 2001 | 295 |
| 2002 | 320 |
| 2003 | 415 |
| 2004 | 405 |
| 2005 | 452 |
| 2006 | 476 |
| 2007 | 516 |
| 2008 | 540 |
| 2009 | 545 |
| 2010 | 633 |
| 2011 | 674 |
| 2012 | 742 |
| 2013 | 768 |
| 2014 | 816 |
| 2015 | 852 |
| 2016 | 851 |
| 2017 | 787 |
| 2018 | 853 |
| 2019 | 943 |
| 2020 | 1047 |
| 2021 | 1136 |
| 2022 | 1114 |
| 2023 | 978 |
| 2024 | 811 |