The provided bar chart illustrates the export earnings of a particular country across five different product categories in 2015 and 2016, while the accompanying table details the percentage change in value for each category during this period. Overall, petroleum products and engineered goods consistently generated the highest export revenues over the two years. While the majority of categories witnessed an increase in their export value, gems and jewellery notably experienced a decline. In 2015, petroleum products were the leading export, earning approximately $61 billion, a figure which marginally rose by 3% to just over $63 billion in 2016. Engineered goods closely followed, securing around $56 billion in 2015, and subsequently recorded the second-highest growth among all categories, with an 8.5% increase that brought its earnings to over $61 billion by 2016. Conversely, gems and jewellery, which accounted for approximately $43 billion in 2015, were the sole category to register a decrease, dropping by 5.18% to just above $40 billion in 2016. Agricultural products remained relatively stable and low in value, moving from about $31 billion to nearly $32 billion, reflecting the smallest gain of 0.81%. Textiles, despite having the lowest earnings in both years (around $27 billion in 2015 and $32 billion in 2016), demonstrated the most significant proportional increase, climbing by an impressive 15.24%.
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