The following table shows the sales of cars of four manufacturers for the period from 2015 to 2020 in a metropolitan city (all the figures are in thousands).

What are the total sales of cars of the four manufacturers under consideration in the city in the entire period of 6 years (from 2015 to 2020)?

1053000

Total sale of cars of the four manufacturers over all 6 years = ( 44 + 48 + 47 + 50 + 52 + 51 ) + ( 40 + 41 + 41 + 51 + 42 + 43 ) + ( 36 + 38 + 40 + 42 + 44 + 50 ) + ( 48 + 44 + 44 + 42 + 42 + 43 )

= 1053     ( in thousands )

= 1053000