Life timeline in a spreadsheet

<img width=“750” height=“675” src=“https://flowingdata.com/wp-content/uploads/2023/06/spreadsheet-life-750x675.jpeg" class=“attachment-medium size-medium wp-post-image” alt=“” decoding=“async” loading=“lazy” srcset=“https://flowingdata.com/wp-content/uploads/2023/06/spreadsheet-life-750x675.jpeg 750w, https://flowingdata.com/wp-content/uploads/2023/06/spreadsheet-life-1090x981.jpeg 1090w, https://flowingdata.com/wp-content/uploads/2023/06/spreadsheet-life-210x189.jpeg 210w, https://flowingdata.com/wp-content/upload …