Table:
|  | Year Ended December 31, | Year Ended December 31, | Year Ended December 31, | % Variation | % Variation |
| --- | --- | --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 | 2019 vs 2018 | 2018 vs 2017 |
|  | (In millions) | (In millions) | (In millions) |  |  |
| EMEA | $2,265 | $2,478 | $2,142 | (8.6)% | 15.7% |
| Americas | 1,351 | 1,264 | 1,085 | 6.8 | 16.5 |
| Asia Pacific | 5,940 | 5,922 | 5,120 | 0.3 | 15.7 |
| Total | $9,556 | $9,664 | $8,347 | (1.1)% | 15.8% |
Paragraphs:
Net revenues by location of shipment are classified by location of customer invoiced or reclassified by shipment destination in line with customer demand. For example, products ordered by U.S.-based companies to be invoiced to Asia Pacific affiliates are classified as Asia Pacific revenues.
By location of shipment, in 2019, revenues grew 6.8% in Americas, driven by Power Discrete, remained substantially flat in Asia and decreased 8.6% in EMEA, mainly due to lower sales of Microcontrollers and Power Discrete. In 2018 revenues grew across all regions, led by Asia Pacific and EMEA, mainly due to growth in Imaging and Automotive.
Question:
In 2018,why did the revenues grew across all regions?
Answer: mainly due to growth in Imaging and Automotive.