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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 5 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 5 |
| 1955 | 2 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 7 |
| 1959 | 41 |
| 1960 | 97 |
| 1961 | 79 |
| 1962 | 76 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 18 |
| 1968 | 30 |
| 1969 | 29 |
| 1970 | 28 |
| 1971 | 33 |
| 1972 | 46 |
| 1973 | 38 |
| 1974 | 61 |
| 1975 | 113 |
| 1976 | 123 |
| 1977 | 111 |
| 1978 | 109 |
| 1979 | 109 |
| 1980 | 158 |
| 1981 | 116 |
| 1982 | 127 |
| 1983 | 164 |
| 1984 | 183 |
| 1985 | 195 |
| 1986 | 222 |
| 1987 | 193 |
| 1988 | 231 |
| 1989 | 268 |
| 1990 | 287 |
| 1991 | 372 |
| 1992 | 459 |
| 1993 | 527 |
| 1994 | 527 |
| 1995 | 589 |
| 1996 | 613 |
| 1997 | 665 |
| 1998 | 564 |
| 1999 | 673 |
| 2000 | 712 |
| 2001 | 809 |
| 2002 | 837 |
| 2003 | 929 |
| 2004 | 1062 |
| 2005 | 1273 |
| 2006 | 1154 |
| 2007 | 1161 |
| 2008 | 1180 |
| 2009 | 1063 |
| 2010 | 1158 |
| 2011 | 1279 |
| 2012 | 1302 |
| 2013 | 1315 |
| 2014 | 1337 |
| 2015 | 1342 |
| 2016 | 1220 |
| 2017 | 1251 |
| 2018 | 1155 |
| 2019 | 1165 |
| 2020 | 1099 |
| 2021 | 777 |
| 2022 | 464 |
| 2023 | 229 |
| 2024 | 92 |