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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 13 |
| 1951 | 10 |
| 1952 | 15 |
| 1953 | 14 |
| 1954 | 10 |
| 1955 | 14 |
| 1956 | 19 |
| 1957 | 18 |
| 1958 | 17 |
| 1959 | 8 |
| 1960 | 16 |
| 1961 | 12 |
| 1962 | 17 |
| 1963 | 16 |
| 1964 | 11 |
| 1965 | 12 |
| 1966 | 18 |
| 1967 | 32 |
| 1968 | 25 |
| 1969 | 36 |
| 1970 | 45 |
| 1971 | 72 |
| 1972 | 83 |
| 1973 | 73 |
| 1974 | 99 |
| 1975 | 90 |
| 1976 | 90 |
| 1977 | 127 |
| 1978 | 140 |
| 1979 | 163 |
| 1980 | 178 |
| 1981 | 163 |
| 1982 | 182 |
| 1983 | 196 |
| 1984 | 245 |
| 1985 | 202 |
| 1986 | 240 |
| 1987 | 257 |
| 1988 | 268 |
| 1989 | 298 |
| 1990 | 310 |
| 1991 | 307 |
| 1992 | 352 |
| 1993 | 352 |
| 1994 | 356 |
| 1995 | 386 |
| 1996 | 384 |
| 1997 | 376 |
| 1998 | 390 |
| 1999 | 399 |
| 2000 | 459 |
| 2001 | 423 |
| 2002 | 449 |
| 2003 | 479 |
| 2004 | 498 |
| 2005 | 556 |
| 2006 | 612 |
| 2007 | 619 |
| 2008 | 669 |
| 2009 | 696 |
| 2010 | 763 |
| 2011 | 843 |
| 2012 | 835 |
| 2013 | 894 |
| 2014 | 849 |
| 2015 | 864 |
| 2016 | 899 |
| 2017 | 996 |
| 2018 | 926 |
| 2019 | 879 |
| 2020 | 946 |
| 2021 | 1123 |
| 2022 | 982 |
| 2023 | 881 |
| 2024 | 409 |