Originally Posted by Robert Tulip

1. Jupiter-Saturn: 9 cycles = 178.65 years: 178.65/GY/144-1 = -0.145%
2. Jupiter-Uranus: 13 cycles = 179.4 years: 179.4/GY/144-1 = 0.27%
3. Jupiter-Neptune: 14 cycles = 178.9034 years: 178.9034/GY/144-1 = 0.007%
4. Saturn-Uranus: 4 cycles = 181.1 years: 181.1/GY/144-1 = 1.217 %
5. Saturn-Neptune: 5 cycles = 179.35 years: 179.35/GY/144-1 = 0.241%
6. Uranus-Neptune: 1 cycle = 172.7 years: 172.7/GY/144-1 = -3.483%

(Note: these numbers are from the formula and have small errors. Also, the GY is variously cited as 25764 and 25765 years – consistent with the slowing trend I have found here.)