The following table shows the production of fertilisers (in lakh tonne) by six companies for 5 months (January to May). Study the table and answer the question. Months Companies I II III IV V VI January 327 180 185 137 145 120 February 326 179 187 162 146 122 March 320 160 188 173 135 130 April 318 167 177 180 140 130 May 310 150 169 178 140 128 In which month does Company II have a contribution of approximately 20% in the total fertiliser production?