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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1940 | 1 |
| 1943 | 2 |
| 1944 | 4 |
| 1945 | 4 |
| 1946 | 5 |
| 1947 | 10 |
| 1948 | 23 |
| 1949 | 13 |
| 1950 | 18 |
| 1951 | 19 |
| 1952 | 24 |
| 1953 | 15 |
| 1954 | 33 |
| 1955 | 18 |
| 1956 | 30 |
| 1957 | 45 |
| 1958 | 56 |
| 1959 | 39 |
| 1960 | 45 |
| 1961 | 49 |
| 1962 | 41 |
| 1963 | 57 |
| 1964 | 96 |
| 1965 | 93 |
| 1966 | 124 |
| 1967 | 111 |
| 1968 | 146 |
| 1969 | 156 |
| 1970 | 138 |
| 1971 | 165 |
| 1972 | 191 |
| 1973 | 179 |
| 1974 | 179 |
| 1975 | 161 |
| 1976 | 191 |
| 1977 | 172 |
| 1978 | 151 |
| 1979 | 155 |
| 1980 | 170 |
| 1981 | 169 |
| 1982 | 149 |
| 1983 | 158 |
| 1984 | 154 |
| 1985 | 142 |
| 1986 | 127 |
| 1987 | 169 |
| 1988 | 154 |
| 1989 | 166 |
| 1990 | 163 |
| 1991 | 158 |
| 1992 | 197 |
| 1993 | 207 |
| 1994 | 188 |
| 1995 | 192 |
| 1996 | 178 |
| 1997 | 201 |
| 1998 | 192 |
| 1999 | 230 |
| 2000 | 193 |
| 2001 | 211 |
| 2002 | 223 |
| 2003 | 254 |
| 2004 | 283 |
| 2005 | 289 |
| 2006 | 337 |
| 2007 | 369 |
| 2008 | 361 |
| 2009 | 385 |
| 2010 | 451 |
| 2011 | 477 |
| 2012 | 523 |
| 2013 | 518 |
| 2014 | 588 |
| 2015 | 576 |
| 2016 | 597 |
| 2017 | 612 |
| 2018 | 553 |
| 2019 | 628 |
| 2020 | 679 |
| 2021 | 696 |
| 2022 | 768 |
| 2023 | 684 |
| 2024 | 331 |