Added Statistics calculation

Statistics now show calculated values

node_modules/@mui/x-date-pickers/models/timezone.d.ts

@@ -0,0 +1,11 @@
+export type PickersTimezone = 'default' | 'system' | 'UTC' | string;
+export interface TimezoneProps {
+  /**
+   * Choose which timezone to use for the value.
+   * Example: "default", "system", "UTC", "America/New_York".
+   * If you pass values from other timezones to some props, they will be converted to this timezone before being used.
+   * @see See the {@link https://mui.com/x/react-date-pickers/timezone/ timezones documentation} for more details.
+   * @default The timezone of the `value` or `defaultValue` prop is defined, 'default' otherwise.
+   */
+  timezone?: PickersTimezone;
+}