The graph shows the number of earthquakes in a particular country. The x-axis represents years, and the y-axis represents the number of earthquakes.

What is the average rate of change?

Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: The graph shows the number of earthquakes in a particular country. The x-axis represents years, and the y-axis represents the number of earthquakes.

What is the average rate of change?

Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: The graph shows the number of earthquakes in a particular country. The x-axis represents years, and the y-axis represents the number of earthquakes.

What is the average rate of change?
