Merck & Company Inc
| Year | Mar | Jun | Sep | Dec | Annual | |
|---|---|---|---|---|---|---|
| 2023 | 1.11 | -2.35 | 1.86 | - | - | |
| 2022 | 1.7 | 1.55 | 1.28 | 1.18 | 5.71 | |
| 2021 | 1.25 | 0.61 | 1.8 | 1.48 | 5.14 | |
| 2020 | 1.26 | 1.18 | 1.16 | -0.83 | 2.78 | |
| 2019 | 1.12 | 1.03 | 0.74 | 0.92 | 3.81 | |
| 2018 | 0.27 | 0.63 | 0.73 | 0.69 | 2.32 | |
| 2017 | 0.88 | 1.01 | 1.11 | 0.98 | 3.98 | |
| 2016 | 0.89 | 0.93 | 1.07 | 0.89 | 3.78 | |
| 2015 | 0.85 | 0.86 | 0.96 | 0.93 | 3.6 | |
| 2014 | 0.57 | 0.68 | 0.31 | 2.51 | 4.07 | |
| 2013 | 0.52 | 0.30 | 0.38 | 0.27 | 1.47 | |
| 2012 | 0.56 | 0.58 | 0.56 | 0.30 | 2 | |
| 2011 | 0.34 | 0.65 | 0.55 | 0.48 | 2.02 | |
| 2010 | 0.09 | 0.24 | 0.11 | -0.16 | 0.28 | |
| 2009 | 0.67 | 0.74 | 1.61 | 2.63 | 5.65 | |
| 2008 | 1.52 | 0.82 | 0.51 | 0.78 | 3.63 | |
| 2007 | 0.78 | 0.77 | 0.70 | -0.76 | 1.49 | |
| 2006 | 0.69 | 0.69 | 0.43 | 0.22 | 2.03 | |
| 2005 | 0.62 | 0.33 | 0.65 | 0.50 | 2.1 |