The table chart below provides a statistical analysis for quantity of producing milk in the year 1990, 2000 and 2010. Four strategies of countries including Netherlands, Australia, Tanzania and Guatemala were surveyed with the number or products as the unit of measurement.
Overall, Netherlands, Tanzania and Guatemala shared the upward trend while the reverse was true for Australia. It was evident that Netherlands took the leading position and Guatemala could not even reach one hundred thousand products in all three years. However, the gap between two group, the first one including Netherlands and Australia, the second one including the others were really huge, arround ten million products.
In the beginning, Netherlands and Australia were approximately equal to each other, both were over 11.2 million products. However, through years, the development was different for those countries, when the former increased by 200 thousand in 2010 the other declined nearly 300 thousand as the same year.
Meanwhile, Tanzania had a sharply climb when it came from 87 thousand to nearly double in 2000 and then rose constantly in 2010. The remaining nation, Guatemala had also a dramatic leap where the production multiple approximately 4 times from 26 thousand to 84 thousand products.