- Study the data provided below and answer the questions that follow. Value of export earnings of selected crops from Kenya (Ksh millions) Crop Tea 2012 2013 2014 101441 104648 93996 Coffee 22271 16328 19913 Sisal 1184 1020 1325 Total 124896 121996 115234 (a) (1) Using a scale of 1 cm to 50,000 million, draw proportional circles to represent the total export earnings between 2012 and 2014. Use the diameter method. ​