Together with major traded products major trading partners for Germany and another important indicator in understanding the changing trade profile of Germany. So you can find out top 5 export markets as well as top 5 import markets for the above years (1990-2000-2019). You need to evaluate and comment on the trends in major imports and exports as well as on the top trading partners of Germany. You may search whether the changes in trends are arising due to changes in trade policies, exchange rate volatility, or due to a possible trade agreement, etc.