Describing graphs

Which of the four sentences below is correct?

Even though sales at Branch 2 increased considerably, the figure still remained below that for Branch 1.

Which month is being described?

Sales at Branch 1 showed no significant change from the previous month. In contrast, sales at Branch 2 fell sharply.

Sales at Branch 1 levelled off this month, whereas sales at Branch 2 continued to rise.

In this year, despite a continuing upward trend in artworks, the investment in foreign currencies remained stable and share values dropped dramatically.

Shares decreased significantly in value this year, while the value of currencies rose slightly. Meanwhile, there was an even bigger increase in the value of artworks.

This was a good year for investors in general, with all three indexes rising, but artworks experiencing the most impressive growth.

Shares and artworks both showed an increase in value, unlike currencies, which remained steady after rising in the previous two years.

This was a bad year for investors, with all three indexes decreasing in value, and artworks experiencing the biggest fall in value.

While imports grew steadily, exports experienced more significant growth. However, the value of imports remains higher than exports.