They always sold overseas. But TV is far more expensive now, and the licence fee has not kept up with inflation:

• January 1968 - £10 (£150.67)
• January 1969 - £11 (£165.74)
• July 1971 - £12 (£149.42)
• April 1975 - £18 (£137.74)
• July 1977 - £21 (£121.56)
• November 1978 - £25 (£134.60)
• November 1979 - £34 (£164.93)
• December 1981 - £46 (£174.71)
• March 1985 - £58 (£176.98)
• April 1988 - £62.50 (£171.42)
• April 1989 - £66 (£172.05)
• April 1990 - £71 (£172.98)
• April 1991 - £77 (£174.48)
• April 1992 - £80 (£173.91)
• April 1993 - £83 (£175.98)
• April 1994 - £84.50 (£175.66)
• April 1996 - £89.50 (£176.99)
• April 1997 - £91.50 (£177.70)
• April 1998 - £97.50 (£186.44)
• April 1999 - £101 (£190.61)
• April 2000 - £104 (£194.72)
• April 2001 - £109 (£201.60)
• April 2002 - £112 (£204.57)
• April 2003 - £116 (£209.03)
• April 2004 - £121 (£215.15)
• April 2005 - £126.50 (£220.39)
• April 2006 - £131.50 (£223.89)
• April 2007 - 135.50 (£225.46)
• April 2008 - £139.50 (£224.05)
• April 2009 - £142.50 (£224.01)
• April 2010 - £145.50 (£221.43)
• April 2017 - £147 (£193.55)
• April 2018 - £150.50 (£193.36)
• April 2019 - £154.50 (£195.01)
• April 2020 - £157.50 (£197.12)
• April 2021 - £159 (£193.98)
• April 2024 - £169.50 (£172.34)
• April 2025 - £174.50