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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 7 |
| 1948 | 9 |
| 1949 | 9 |
| 1950 | 8 |
| 1951 | 18 |
| 1952 | 8 |
| 1953 | 12 |
| 1954 | 13 |
| 1955 | 10 |
| 1956 | 5 |
| 1957 | 8 |
| 1958 | 9 |
| 1959 | 6 |
| 1960 | 9 |
| 1961 | 10 |
| 1962 | 8 |
| 1963 | 10 |
| 1964 | 15 |
| 1965 | 11 |
| 1966 | 20 |
| 1967 | 57 |
| 1968 | 129 |
| 1969 | 132 |
| 1970 | 182 |
| 1971 | 198 |
| 1972 | 249 |
| 1973 | 203 |
| 1974 | 231 |
| 1975 | 173 |
| 1976 | 86 |
| 1977 | 123 |
| 1978 | 129 |
| 1979 | 79 |
| 1980 | 81 |
| 1981 | 91 |
| 1982 | 84 |
| 1983 | 87 |
| 1984 | 115 |
| 1985 | 111 |
| 1986 | 120 |
| 1987 | 115 |
| 1988 | 154 |
| 1989 | 192 |
| 1990 | 219 |
| 1991 | 236 |
| 1992 | 214 |
| 1993 | 214 |
| 1994 | 216 |
| 1995 | 231 |
| 1996 | 229 |
| 1997 | 301 |
| 1998 | 299 |
| 1999 | 272 |
| 2000 | 356 |
| 2001 | 523 |
| 2002 | 591 |
| 2003 | 637 |
| 2004 | 728 |
| 2005 | 943 |
| 2006 | 1007 |
| 2007 | 1156 |
| 2008 | 1175 |
| 2009 | 1191 |
| 2010 | 1274 |
| 2011 | 1346 |
| 2012 | 1512 |
| 2013 | 1720 |
| 2014 | 1680 |
| 2015 | 1570 |
| 2016 | 1424 |
| 2017 | 1480 |
| 2018 | 1388 |
| 2019 | 1334 |
| 2020 | 1385 |
| 2021 | 1302 |
| 2022 | 1068 |
| 2023 | 513 |
| 2024 | 436 |