But you can store multiple pieces of data in a single variable. Depending on the device, you can store between 622 and 1024 bytes of data in a single variable, so you can store all of your values in a single variable using a format such as CSV or JSON.
This is also beneficial because getting a variable uses one data operation of your limit of 100,000 data operations limit in the free plan. Putting all of your data in a single variable will reduce your data operations.