Masa protonu z błędem w kilogramach według danych z lat 1986, 1998, 2002 i 2006 http://physics.nist.gov/cuu/Constants/
Gnuplot

set decimalsign ","
unset key
set xlabel "rok"
set terminal svg

set ylabel "m_e [10^-31 kg]"
set output "historia_me.svg"
plot "memp.csv" using 1:2:3 w ye

set ylabel "m_p [10^-27 kg]"
set output "historia_mp.svg"
plot "memp.csv" using 1:4:5 w ye

set ylabel "m_p/m_e"
set output "historia_mpme.svg"
plot "memp.csv" using 1:6:7 w ye

set output
set terminal x11

memp.csv

2006	9.10938215	0.00000045	1.672621637	0.000000083	1836.15267247	0.00000080
2002	9.1093826	0.0000016	1.67262171	0.00000029	1836.15267261	0.00000085
1998	9.10938188	0.00000072	1.67262158	0.00000013	1836.1526675	0.0000039
1986	9.1093897	0.0000054	1.6726231	0.0000010	1836.152701	0.000037


			
			me{\displaystyle m_{e}}
		
		
			
			mp{\displaystyle m_{p}}
		
		
			
			mp/me{\displaystyle m_{p}/m_{e}}
Own work
BartekChom