Year Number of Cases 2015 650 2016 800 2017 1200 2018 1500 2019 2000 2020 2400 2021 3000 2022 3600 2023 4000 2. Using Software You can use tools like Microsoft Excel, Google Sheets, or any graphing software. Here’s how to create a diagram: 1. Open Your Chosen Tool (e.g., Excel, Google Sheets) 2. Input the Data: o Create a column for "Year" and another for "Number of Cases." 3. Select the Data: o Highlight the data you've inputted. 4. Insert a Line Graph: o In Excel: Go to the "Insert" tab, select "Line," and then choose "Line with Markers."