Month	Marks Per 100 Kilograms
1921-01-01	1800.00
1921-02-01	1400.00
1921-03-01	1400.00
1921-04-01	1700.00
1921-05-01	2100.00
1921-06-01	2400.00
1921-07-01	2600.00
1921-08-01	3000.00
1921-09-01	4000.00
1921-10-01	5000.00
1921-11-01	5500.00
1921-12-01	3400.00
1922-01-01	5000.00
1922-02-01	6000.00
1922-03-01	7500.00
1922-04-01	7500.00
1922-05-01	9500.00
1922-06-01	11500.0
1922-07-01	17000.0
1922-08-01	42000.0
1922-09-01	52000.0
1922-10-01	160000.
1922-11-01	240000.
1922-12-01	260000.
1923-01-01	430000.
1923-02-01	650000.
1923-03-01	600000.
1923-04-01	800000.
1923-05-01	0.140000E+07
1923-06-01	0.400000E+07
1923-07-01	0.120000E+08
1923-08-01	0.140000E+09
1923-09-01	0.600000E+10
1923-10-01	0.160000E+10
1923-11-01	200.000
1923-12-01	160.000