Mumbai: Two- and three-wheeler major Bajaj Auto on Monday reported a four per cent decline in its total sales for June. According to the company, its total sales during the month under review stood at 316,969 units from an off-take of 331,317 units during the corresponding month of 2015. However, total domestic sales in June were up 11 per cent to 193,717 units from 175,243 units sold during the like month of last year. The overall exports during the last month declined by 21 per cent to 123,252 units from 156,074 units shipped out during the corresponding month of 2015. The company's total motorcycle sales during the month under review decreased by five per cent to 273,298 units from 287,582 units sold in the like month of last year. The overall commercial vehicle sales slipped by 0.14 per cent to 43,671 units from 43,735 units sold during June 2015.