For the following exercise, use the data on availability of essential medicines in 38 countries from the World Health Organization (WHO). You can find the dataset in OA 4.4. Download the filtered data as a CSV table and use it to answer the following questions.
1. Between 2007 and 2013, which country had the lowest percentage median availability of selected generic medicines in private.
2. List the top five countries which have the highest percentage of public and private median availability of selected medicines in 2007–2013.
3. List the top three countries where it is best to rely on the private availability of selected generic medicines than public. Explain your answer with valid reasons
