| Cash flows from operating activities |
1,126,918 |
383,641 |
1,544,212 |
1,070,837 |
737,429 |
| Cash flows from investing activities |
-1,686,399 |
-1,133,364 |
-595,751 |
-731,390 |
-673,069 |
| Free cash flow |
-559,481 |
-749,723 |
948,461 |
339,447 |
64,360 |
| Cash flows from financing activities |
688,001 |
530,862 |
-559,244 |
-100,416 |
-44,121 |
| Effect of exchange rate changes on cash and cash equivalents |
-23,164 |
-141,672 |
40,316 |
-79,909 |
-52,150 |
| Net change in cash and cash equivalents |
105,356 |
-360,533 |
429,533 |
159,122 |
-31,911 |
| Cash and cash equivalents at beginning of year |
945,546 |
1,050,902 |
690,369 |
1,119,902 |
1,279,024 |
| Cash and cash equivalents at end of year |
1,050,902 |
690,369 |
1,119,902 |
1,279,024 |
1,247,113 |