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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1952 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 8 |
| 1975 | 52 |
| 1976 | 88 |
| 1977 | 126 |
| 1978 | 153 |
| 1979 | 171 |
| 1980 | 213 |
| 1981 | 198 |
| 1982 | 248 |
| 1983 | 234 |
| 1984 | 258 |
| 1985 | 264 |
| 1986 | 270 |
| 1987 | 263 |
| 1988 | 305 |
| 1989 | 372 |
| 1990 | 355 |
| 1991 | 292 |
| 1992 | 312 |
| 1993 | 311 |
| 1994 | 305 |
| 1995 | 297 |
| 1996 | 296 |
| 1997 | 420 |
| 1998 | 424 |
| 1999 | 520 |
| 2000 | 510 |
| 2001 | 606 |
| 2002 | 662 |
| 2003 | 739 |
| 2004 | 801 |
| 2005 | 901 |
| 2006 | 1139 |
| 2007 | 1223 |
| 2008 | 1439 |
| 2009 | 1658 |
| 2010 | 1877 |
| 2011 | 2068 |
| 2012 | 2195 |
| 2013 | 2549 |
| 2014 | 2891 |
| 2015 | 2858 |
| 2016 | 2809 |
| 2017 | 2769 |
| 2018 | 2703 |
| 2019 | 2680 |
| 2020 | 2106 |
| 2021 | 1107 |
| 2022 | 319 |
| 2023 | 267 |
| 2024 | 871 |
| 2025 | 1 |